Check if changes exist or else echo

Author: Arisamiga

.github/workflows/deploy-main.yml

@@ -46,5 +46,9 @@ jobs:
         run: |
           cd gh-pages
           git add .
-          git commit -m "Deploy main branch to demo"
-          git push origin gh-pages
+          if [ -n "$(git status --porcelain)" ]; then
+            git commit -m "Deploy main branch to demo"
+            git push origin gh-pages
+          else
+            echo "No changes to commit"
+          fi